I parked my x5d at the airport (covered parking) for 31 days, it fired up right away. I'm in Houston (temps were between 40-70)
So you should be fine.

thanks guys. yeah i started the car without any problems. but another problem came in. it was the 2nd time rear left tire warning. before storing i had this problem.. my tire pressure is below 20psi. same finding yesterday...

luckily i have RFT's waranty